Summary
The neurofibrillary tangles found in the neurons of a case of Steele-Richardson-Olszewski syndrome were studied by electron microscopy. Both the flame-shaped and globose type of tangles were present. The neurofibrillary tangles were composed of bundles of straight tubules measuring approximately 150 Å in diameter. This ultrastructural appearance of the tangles in Steele-Richardson-Olszewski syndrome is different from the appearance of tangles found in other neurological disorders and is probably indicative of intraneuronal accumulation of a new type of fibrous protein.
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This investigation received financial support from the World Health Organization.
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Roy, S., Datta, C.K., Hirano, A. et al. Electron microscopic study of neurofibrillary tangles in Steele-Richardson-Olszewski syndrome. Acta Neuropathol 29, 175–179 (1974). https://doi.org/10.1007/BF00684775
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DOI: https://doi.org/10.1007/BF00684775